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Reostat for extremely high powered fans

Can you use fan controllers for the extremely high powered deltas? I was looking at getting 3 ofThese (220CFM Deltas) for my BIX 3 radiator, but I dont want to get them if I cant turn them down when I want to sleep.

To my knowledge arnt most fan controllers to weak to provide max power to the high CFM deltas? Is this false, or if its true, what fan controller can you use?